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Half marathons in Gwynedd

Find half marathons near me in Gwynedd for 2024/2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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  • Sun 10 Nov
Llanfairpwllgwyngyll, Isle of Anglesey, UK

Altra Anglesey Trail Half Marathon & 10K | Half Marathon

  • 21.1 km trail running
  • Sun 2 Mar 2025
Anglesey, Isle of Anglesey, UK

Jones o Gymru Anglesey Half Marathon

  • 13.1 miles road running
  • Sun 13 Jul 2025
Caernarfon, Gwynedd, UK

XTERRA Snowdonia Trail Half Marathon Eryri

  • 12.9 miles trail running

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